I performed diagnostic service call on Carrier 13 SEER 2.5 Ton Air Conditioning Unit. I determined that system is low on refrigerant. This is causing the unit to freeze up & thaw causing the water to drip/leak down through ceiling. I performed electronic leak search with customers approval. I located leak on top of evaporator coil. I gave customer repair/replacement options. Customer will review and get back to us. Unit not cooling at departure.
